var categories= {
"art": 352,
"health-beauty": 358,
"home": 372,
"jewelry": 339,
"kids": 320
}
for(var i in categories)
{
console.log("name: " + i + "id: " + ?);
}
我尝试将类别和ID的名称导入到mongodb但是很难获得如何获取每个值的ID?这是可能的还是我必须手动重新排列JSON文件?
答案 0 :(得分:0)
您的var i包含属性,并且可以使用arraylike表示法访问对象的属性。这样:
for(var i in categories) {
console.log("name: " + i + "id: " + categories[i]);
}
我建议你总是把你的花括号放在右边,因为不这样做会产生意想不到的结果:
function someFunction ()
{
return
{
prop: "Prop"
}
}
alert(someFunction().prop); // Error, it returned undefined because something called semi-colon insertion. Read about it.